Improvement in machines for stitching books with metallic staples



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E. D. AVERELL; Machines for Stitching Books with Metallic Staples Novi58,0i3. Patented Dec.22,1874.

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E. D. AVERELL.

Machines for Stitching Books with Metallic Staples M 158 013, I PatentedDec22J874.

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UNITED STATES PATENT QFFIGE.

ELLIOOTT D. AVERELL, OF NEW YORK, N. Y.

IMPROVEMENT lN MACHINES FOR STITCHING BOOKS WITH METALLIC STAPLES.

Specification forming part of Letters Patent No. 158,013, dated December 22, 1874; application filed November 10, 1873.

T 0 all whom it-may concern:

Be it known that I, ELLIGOTT D. AVERELL, of the city, county, and State of New York, have in vented an Improved Machine for Stitching Books with Metallic Stitches; and I do hereby declare the following to be a full and correct description of the same, reference bein g had to the accompanying drawings, in Which- Figure 1 represents a side view of my machine. Fig. 2 is a side View exposing the sliding head with the parts for perforating the sheets and inserting the wire staples. Fig. 3 is an end view, and Figs. 4, 5, 6, and 7 illustrate the functions, of the most important working parts of my machine. Fig. 8 shows a number of sheets of paper stitched together according to my improved method.

My invention relates to an improvement in machinery for stitching books, especially that class of books which are stitched in the fold of the back, and more especially to those books which are stitched or secured by wire staples inserted in perforations in the fold of the back and clinched either upon the out or in side of the book, in contradistinction to those stitched with thread in the ordinary way. My invention consists in providing a perforating mechanism, by which the holes are made in the desired place in the back of the book; a staplemaking mechanism, by which staples are made from the continuous wire; a staple-inserting V mechanism, by which the made staples are automatically presented and placed in the perforations in the back of the book, and a clinching mechanism, by which the inserted staples are securely fastened in their places.

To more fully illustrate my invention, reference may be had to the accompanying drawings, in which A represents the platform of a table supported by legs a. To the said platform an arm, B, is secured, which carries at its extreme forward end a spool of wire, 0. The wire from the said spool passes through a hole, I), at the solid end of the arm B across a slot, B thence through another hole, I), across a slot, B and, finally, into a hole, D which has a depth equal to the thickness of the metal between the slots B and B Two arms, 0 ex tending from the arm B, serve as fulcrums of a lever, 0 the squareshaped end b of which fits the slot B in which it bends and shapes the pieces of wire separated at the off-side of the slot B by a knife, 0 attached to the said lever 0 The fulcrum-spindle D of the lever G bears with one end in the arm 0 and with the other in the end of a set-screw, D which serves the purpose of adjusting the working parts in the slots B B Aspring, D bears against the lower side of the lever 0 and thereby keeps the working parts 12 and e below the holes b 1) N. The slot B is provided on its three sides with a central groove, I), which receives the wire when it is shaped into a staple by the pressure of the upward-moving head I). descendinghead b in consequence of the pressure exerted upon it by the spring 6 and the head-pin E, and allows it to drop upon an inclined slide, E, which is fastened to the arm B by an adjustable plate, 6. The staple z is made to straddle the slide E, and slide down until it arrives at the plate F on the sliding head F The head F is fastened to the forward end of the bar F which, by means of the slot f and the set-screws f and the stands G G, is enabled to move back and forwardin a horizontal direction. The head F is provided with two dovetailed plates, H and H, fitted into dovetailed vertical grooves adjusted by the plates I I I and the slots h h with the stationary pins 2' t" by which the said plates are prevented from rising or descending too far. Two springs, J J which are fastened to the head F, and bear on the pins j j on the plates H H, thereby keep the same'raised, that the perforatingpoints 7L2 and k on the plate H are within the head F and the foot of the plate H will admit the entrance of a staple into the groove below it, for which latter purpose the plate F is provided with a gate, f The stroke of the sliding head F must be equal to the central distance of the plates H H, so that the legs of the staple can enter the holes made by the points 71/ on the plate H. The forward strokes of the said sliding head are effected by a number of plus, it, on a ratchet-wheel, K, which is supported by a hanger-arm, K, below the platform of the table. A vertical arm, L, on the bar F is pushed forward by the pins 70 through the The finished staple follows the revolution of the wheel K. A spring, L, fastened to the head F and the stand G moves the bar F back as soon as the arm L is disengaged from one of the said pins. The wheel K is revolved by the upstrokes of a pawl, m, which is attached by the aid of an adjustable block, m, to the rod M, and which is so situated that it operates both the short and the long pins 7; and 7c in their successive order on the wheel K. The rod M is held in a vertical position by the platform A, through which it passes, and by an arm, N, below the said platform. Its upstroke is limited by an adjustable collar, M and is effected by a spring, N, fastened to ahook,n, on the arm N, and to ahook, n, on the treadle M at the lower end of the rod M. The rod M is connected at its upper end, through an arm, M with a lever, O, the head 0 of which is made to alternately strike the plates H H, and the fulcrum of which is formed by the head-screw 0 in the plate G. The tail 0 of the said lever is provided with a hook, 1), for a tension-spring, l which is, at its other end, attached to the hook p on the platform A, and thereby keeps the lever-arm O elevated. To prevent the wheel K from moving backward, its rim is provided with notches 70 into which a spring-pawl, R, slides after each stroke of the rod M. The pawl It is fastened to an arm, R, below the platform A, and to the same arm a lever, S, is pivoted, which operates the clinching-piece U. The rear arm of the lever S is provided with a hinged extended arm, S, which is operated by a spring, 3, on the lever S and by the long pins 70 on the wheel K, for which purpose the said arm S is arranged far enough from the face of the wheel K to allow the short pins 70 to pass it freely. The front arm is provided with a pivoted wedge-block, S and a tension-spring, T, the other end of which is fastened to a hook, t, on the platform A. The pliers U are pivoted to a plate, V, on the lower side of the platform A, and their jaws to move in a slot in the said platform, which limits their opening to the size of the staple. The arms of the said pliers are connected by a tension-sprin g, W, by which the opening of the pliers is effected. When the stroke of the lever S is finished, the arm S is disengaged from the pin k by the cam a7, which is fastened to the rod M by aid of the adjustable block X, and by its descent pushes the pawl S off, as illustrated in Fig. 2, thereby enabling the spring T to pull the lever S and the wedge S upward, so as to close the jaws of the pliers U. The supplying or feeding of the wire into the holes I) b b may be done by hand or by any suitable feeding mechanism not illustrated in the drawing, but operated by the machine.

To operate my machine, the paper sheets of which the books are to be composed, either cut to size or in the whole sheet to be out after being stitched, are placed between the head F and the platform A, in such a manner that the staples will be inserted where the back of the book is intended to be folded. The treadle M is then operated. When in proper position, the first stroke brings the lever 0 down with its head 0 on the plate H, whereby the paper is perforated for the reception of the staples. The lever O is by the same movement forced down, and the knife 0 is made to cut the wire, while the head carries the separated wire end up into the groove b and presses it to its right shape. The lever, being new relieved, rises, and so do the levers O and G and the plate H. The finished staple is pushed out of the groove 11 by the pin E, and drops from the head of the lever O on the inclined guidebar E, along which it slides until it is stopped by the plate F. The rear arm of the lever S is raised to its highest stroke, and the jaws of the pliers U are opened to their full capacity. The pawl R has slipped into the next notch 70 of the wheel K, and the bar F is moved for ward by one of the pins Id. The treadle is operated again. The lever O strikes the plate H, which drives one of the staples presented by the slide E into the perforations made into the paper. The cam 00 pushes the pawl S over the pin R and it falls, forcing the wedge S between the plier-arms U, thereby closlng their jaws, which catch the projecting legs of the staple beneath the paper, and closely clinch them. The treadle is left in position to be operated as before, and the same operation as first described is repeated.

Having fully described my invention, what I claim, and desire to secure by Letters Patent, is-

1. In combination with mechanism for 1nserting and clinching staples in the backs of books, the reciprocating pins It k for perforating the paper for the reception of said staples, substantially as described.

2. In combination with mechanism for perforatin g the paper and inserting and clinching staples in the backs of books, the arm b knife 0 and the chute E, operated by the staple driving mechanism, by which one staple is made, another is presented, and the third driven by one operation, substantially as set forth.

3. The plate H, for inserting the staples, and the plate H, provided with perforating-points, in combination with the staple presen ting mechanism, substantially as described.

The above specification of my said invention signed and witnessed at New York this 5th day of November, A. D. 1873.

ELLIOOTT D. AVERELL.

Witnesses:

BENJN. A. KISSAM, J OSEPH M. RYAN. 

